Pith Number

pith:GYK6Y7HN

pith:2013:GYK6Y7HN7H2FZ2PKXHCOQNILMN

not attested not anchored not stored refs pending

Group Symmetry and non-Gaussian Covariance Estimation

Ami Wiesel, Ilya Soloveychik

arxiv:1306.4103 v1 · 2013-06-18 · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYK6Y7HN7H2FZ2PKXHCOQNILMN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:20:37.153177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3615ec7cedf9f45ce9eab9c4e8350b6348d9f925453087986e8170e883a857e1

Aliases

arxiv: 1306.4103 · arxiv_version: 1306.4103v1 · doi: 10.48550/arxiv.1306.4103 · pith_short_12: GYK6Y7HN7H2F · pith_short_16: GYK6Y7HN7H2FZ2PK · pith_short_8: GYK6Y7HN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GYK6Y7HN7H2FZ2PKXHCOQNILMN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3615ec7cedf9f45ce9eab9c4e8350b6348d9f925453087986e8170e883a857e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbbdb03be30e1c1361c161598864356744bc4112a1169041e2591edd0f10a04c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-06-18T08:40:40Z",
    "title_canon_sha256": "0434ae2bbc467c5c57b095d6a54858437c571630fd9650bcf6d92b9368477b46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4103",
    "kind": "arxiv",
    "version": 1
  }
}